The cards Question What causes all sounds? Tap to flip Answer Vibrations. Question What is a vibration? Tap to flip Answer A repeated back and forth movement. Question What does the volume of a sound describe? Tap to flip Answer How loud or quiet it is. Question What does the pitch of a sound describe? Tap to flip Answer How high or low it is. Question What does amplitude measure? Tap to flip Answer The size of a vibration: how far an object vibrates. Question What is frequency? Tap to flip Answer The number of vibrations that occur every second. Question How does a greater amplitude change a sound? Tap to flip Answer The sound is louder. Question How does a greater frequency change a sound? Tap to flip Answer The pitch is higher. Question What does a vibrating object do to the air particles near it? Tap to flip Answer It makes them vibrate too. Question Do air particles travel from the source to the listener when sound moves? Tap to flip Answer No. The particles vibrate and pass the vibration on; the pattern of vibrating particles is the sound wave. Question What is a wave? Tap to flip Answer A disturbance that travels, like a ripple on water. Question How accurately do scientific models usually reflect what they represent? Tap to flip Answer Often only some aspects accurately. Question In sound, what is the medium? Tap to flip Answer The material the sound travels through, which is set vibrating. Question What is a vacuum? Tap to flip Answer An area of space with no matter present, containing no particles. Question Why can sound not travel through a vacuum? Tap to flip Answer Sound waves are caused by vibrations of particles, and a vacuum has no particles. Question What happens to a sound as it travels and spreads out? Tap to flip Answer It becomes quieter (its vibrations have a lower amplitude). Question Why does sound travel faster through liquids than through gases? Tap to flip Answer The particles are closer together, so vibrations are passed on more easily. Question Through which state of matter does sound travel fastest? Tap to flip Answer Solids. Question What is an echo? Tap to flip Answer A sound heard more than once because the sound waves have reflected back. Question What kind of surface helps to produce echoes? Tap to flip Answer Smooth, flat surfaces. Question What do irregular surfaces do to sound? Tap to flip Answer Reflect it in many directions, spreading it out. Question Why do soft surfaces absorb a lot of sound? Tap to flip Answer Sound waves transfer energy by making the particles in them vibrate. Question What is noise? Tap to flip Answer Unwanted sound. Question Name two ways to reduce noise using materials. Tap to flip Answer Use soft materials to absorb it, or hard materials to reflect it. Question What is a transparent material? Tap to flip Answer One you can clearly see through because it lets light pass through it. Question What is an opaque material? Tap to flip Answer One you cannot see through at all, because it lets no light pass through. Question How does light travel? Tap to flip Answer In straight lines at an extremely high speed, spreading out as it travels. Question What is a light ray in a diagram? Tap to flip Answer An arrow showing the direction that some light is travelling. Question What is a shadow? Tap to flip Answer An unlit area in the shape of an object that is blocking light. Question In reflection, what is the normal? Tap to flip Answer An imaginary line drawn at 90° to the surface at the point of reflection. Question What does 'incident' mean? Tap to flip Answer Incoming. Question What is the angle of incidence? Tap to flip Answer The angle between the incident ray and the normal when light hits a mirror. Question How does the angle of reflection compare with the angle of incidence? Tap to flip Answer It is always equal to it, on the other side of the normal. Question What does 'luminous' describe? Tap to flip Answer Something that gives out light. Question What must happen for anything to be seen? Tap to flip Answer Light from it, either given out or reflected, must enter the eye. Question What is the pupil of the eye? Tap to flip Answer The hole in the front of the eye that lets light in. Question What is the retina? Tap to flip Answer The back surface of the eye, which detects light. Question What does a surface that scatters light do? Tap to flip Answer It reflects light in many directions at once. Question Do dull surfaces reflect light? Tap to flip Answer Yes. All surfaces reflect some light. Question Where does a mirror image appear to be? Tap to flip Answer Directly opposite the object, the same distance behind the mirror as the object is in front. Question Is an image in a mirror upside down? Tap to flip Answer No. It is the right way up but laterally inverted. Question What does 'laterally inverted' mean? Tap to flip Answer Flipped horizontally, as happens in mirror images. Where this deck sits in the curriculum Curriculum National Curriculum for England Stage Key stage 3 (Years 7–9) Course KS3 Science Unit Sound, light and vision England's National Curriculum sets what is taught; the units and their order are Oak National Academy's. Flash Feed is not affiliated with Oak or any exam board.
How this deck was checked On 2026-11-02, every card was compared with its source: the lessons of Oak National Academy, a public body funded by England's Department for Education that publishes lessons for the national curriculum. Because the cards come from those lessons, no second source was sought. The comparison was done automatically, not by a teacher, so a card can still be wrong. Flash Feed is not affiliated with any source named here.
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A Science lesson by Oak National Academy licensed under Open Government Licence (OGL)
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